Comment Filter
Comment Filter is a plugin that allows for filtering of bad words used during commenting. Comment filter plugin works by creating a WordPress filter for the comment contents. When the comments get displayed, WordPress…
Consider an alternative
Comment Filter shows warning signs in 2026 — compare the alternatives below before installing. It runs on 20+ sites and was last updated 15 years ago, and scores 24/100 on our health check.
- Small user base (20+ active installs)
- Very few reviews so far
- No update in 14 years
- Only tested up to WordPress 3.3 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Comment Filter stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| comment | >100 |
| filter | >100 |
About Comment Filter
From the official readme · v1.0.0Description
Comment Filter is a plugin that allows for filtering of bad words used during commenting. Comment filter plugin works by creating a WordPress filter for the comment contents. When the comments get displayed, WordPress gives the comment content to the comment filter plugin and the plugin returns some modified content. Replace the bad word with asterisk. It’s have the following Features:
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Well setting of filtering keywords.
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Support Far East Characters (such as Chinese Characters).
Installation
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Edit comment-filter.php to add words that you wish to filter, or change the words that are already listed inside the file.
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Activate the plugin.
For developers
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Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best Comment Filter alternatives
All comment plugins →
FAQ
Comment Filter: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 13, 2026
Is Comment Filter free?
Yes. Comment Filter is free to download and use from the official WordPress.org plugin directory.
Is Comment Filter safe to use in 2026?
Comment Filter shows warning signs in 2026 — compare the alternatives below before installing. It runs on 20+ sites and was last updated 15 years ago, and scores 24/100 on our health check.
How many websites use Comment Filter?
Comment Filter is active on 20+ WordPress websites and has been downloaded 3,295 times since it launched in March 2012. It was downloaded 65 times in the last 30 days.
Does Comment Filter work with WordPress 7.1?
Comment Filter is officially tested up to WordPress 3.3.2, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
When was Comment Filter last updated?
The latest version, 1.0.0, was released on March 7, 2012 (15 years ago).
Who makes Comment Filter?
Comment Filter is developed and maintained by williamlong.
What are the best alternatives to Comment Filter?
The most popular alternatives to Comment Filter are Bulk Delete Comments (5K+ installs), DCO Comment Attachment (5K+ installs) and One Click Close Comments (5K+ installs).
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